H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 11/02 (2006.01) H04J 14/02 (2006.01) H04J 14/08 (2006.01) H04Q 3/52 (2006.01) H04Q 11/00 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2061141
An optical switching system for optical wavelength-division and time-division multiplexed signals includes a plurality of tunable wavelength filters each of which selects a signal having a desired wavelength from an optical wavelength- division and time-division multiplexed signal, a plurality of optical memory elements each of which is supplied with an output signal of each of the plurality of tunable wavelength filters. each optical memory element memorizes a light intensity of the output signal by being applied with a first control voltage and supplies an output port with the output signal which is converted to have a predetermined wavelength in a desired time slot. The tunable wavelength filters and optical memory elements may by replaced by wavelength filters and tunable wavelength optical memories.
Nishio Makoto
Numai Takahiro
Corporation Nec
Smart & Biggar
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